Base | Representation |
---|---|
bin | 1010000110100… |
… | …1101001101001 |
3 | 2221201220122112 |
4 | 2201221221221 |
5 | 41322011120 |
6 | 4112132105 |
7 | 1023121364 |
oct | 241515151 |
9 | 87656575 |
10 | 42375785 |
11 | 21a13611 |
12 | 12237035 |
13 | 8a1903a |
14 | 58b10db |
15 | 3ac0bc5 |
hex | 2869a69 |
42375785 has 8 divisors (see below), whose sum is σ = 51684936. Its totient is φ = 33344640.
The previous prime is 42375761. The next prime is 42375793. The reversal of 42375785 is 58757324.
It can be written as a sum of positive squares in 4 ways, for example, as 4084441 + 38291344 = 2021^2 + 6188^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 42375785 - 212 = 42371689 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69164 + ... + 69773.
It is an arithmetic number, because the mean of its divisors is an integer number (6460617).
Almost surely, 242375785 is an apocalyptic number.
It is an amenable number.
42375785 is a deficient number, since it is larger than the sum of its proper divisors (9309151).
42375785 is a wasteful number, since it uses less digits than its factorization.
42375785 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 139003.
The product of its digits is 235200, while the sum is 41.
The square root of 42375785 is about 6509.6685783533. The cubic root of 42375785 is about 348.6362852580.
The spelling of 42375785 in words is "forty-two million, three hundred seventy-five thousand, seven hundred eighty-five".
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